/*
 * Licensed to Elasticsearch B.V. under one or more contributor
 * license agreements. See the NOTICE file distributed with
 * this work for additional information regarding copyright
 * ownership. Elasticsearch B.V. licenses this file to you under
 * the Apache License, Version 2.0 (the "License"); you may
 * not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *	http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */


package org.logstash.config.ir.compiler;

import java.util.Collection;
import java.util.stream.Collectors;

/**
 * A group of field declarations.
 */
final class FieldDeclarationGroup implements SyntaxElement {

    private final Collection<FieldDefinition> fields;

    FieldDeclarationGroup(final Collection<FieldDefinition> defs) {
        this.fields = defs;
    }

    public Collection<FieldDefinition> getFields() {
        return fields;
    }

    @Override
    public String generateCode() {
        return fields.isEmpty() ? "" : SyntaxFactory.join(fields.stream().map(
            SyntaxElement::generateCode).collect(Collectors.joining(";\n")), ";"
        );
    }
}
